Examples with ContextTypeIdHelper org.eclipse.xtext.ui.editor.templates.ContextTypeIdHelper used on opensource projects

Example 1 with ContextTypeIdHelper

use of org.eclipse.xtext.ui.editor.templates.ContextTypeIdHelper in project xtext-eclipse by eclipse.

the class TemplateValidator method checkParameters.

@Check
public void checkParameters(Variable variable) {
    Codetemplate template = EcoreUtil2.getContainerOfType(variable, Codetemplate.class);
    Codetemplates templates = EcoreUtil2.getContainerOfType(template, Codetemplates.class);
    if (templates != null && template != null) {
        Grammar language = templates.getLanguage();
        AbstractRule rule = template.getContext();
        ContextTypeIdHelper helper = languageRegistry.getContextTypeIdHelper(language);
        if (helper != null && rule != null && !rule.eIsProxy() && rule instanceof ParserRule) {
            String contextTypeId = helper.getId(rule);
            ContextTypeRegistry contextTypeRegistry = languageRegistry.getContextTypeRegistry(language);
            TemplateContextType contextType = contextTypeRegistry.getContextType(contextTypeId);
            if (contextType != null) {
                Iterator<TemplateVariableResolver> resolvers = Iterators.filter(contextType.resolvers(), TemplateVariableResolver.class);
                String type = variable.getType();
                if (type == null)
                    type = variable.getName();
                while (resolvers.hasNext()) {
                    final TemplateVariableResolver resolver = resolvers.next();
                    if (resolver.getType().equals(type)) {
                        IInspectableTemplateVariableResolver inspectableResolver = registry.toInspectableResolver(resolver);
                        if (inspectableResolver != null) {
                            inspectableResolver.validateParameters(variable, this);
                        }
                    }
                }
            }
        }
    }
}

Example 2 with ContextTypeIdHelper

use of org.eclipse.xtext.ui.editor.templates.ContextTypeIdHelper in project xtext-eclipse by eclipse.

the class CodetemplatesProposalProvider method completeVariable_Type.

@Override
public void completeVariable_Type(EObject model, Assignment assignment, ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
    if ((mode & NORMAL) != 0) {
        super.completeVariable_Name(model, assignment, context, acceptor);
        TemplateData data = new TemplateData(model);
        if (data.doCreateProposals()) {
            ContextTypeIdHelper helper = languageRegistry.getContextTypeIdHelper(data.language);
            if (helper != null) {
                String contextTypeId = helper.getId(data.rule);
                ContextTypeRegistry contextTypeRegistry = languageRegistry.getContextTypeRegistry(data.language);
                TemplateContextType contextType = contextTypeRegistry.getContextType(contextTypeId);
                if (contextType != null) {
                    Iterator<TemplateVariableResolver> resolvers = Iterators.filter(contextType.resolvers(), TemplateVariableResolver.class);
                    while (resolvers.hasNext()) {
                        TemplateVariableResolver resolver = resolvers.next();
                        String type = resolver.getType();
                        StyledString displayString = new StyledString(type).append(" - " + resolver.getDescription(), StyledString.QUALIFIER_STYLER);
                        acceptor.accept(createCompletionProposal(type, displayString, null, context));
                    }
                }
            }
        }
    }
}

Example 3 with ContextTypeIdHelper

use of org.eclipse.xtext.ui.editor.templates.ContextTypeIdHelper in project xtext-eclipse by eclipse.

the class CodetemplatesProposalProvider method completeNestedCrossReference.

public void completeNestedCrossReference(CrossReference crossReference, ContentAssistContext context, ICompletionProposalAcceptor acceptor, TemplateData data) {
    if (data.doCreateProposals()) {
        ContextTypeIdHelper helper = languageRegistry.getContextTypeIdHelper(data.language);
        if (helper != null) {
            String contextTypeId = helper.getId(data.rule);
            ContextTypeRegistry contextTypeRegistry = languageRegistry.getContextTypeRegistry(data.language);
            TemplateContextType contextType = contextTypeRegistry.getContextType(contextTypeId);
            TemplateVariableResolver crossRefResolver = getResolver(contextType, "CrossReference");
            if (crossRefResolver != null) {
                Assignment assignment = (Assignment) crossReference.eContainer();
                EReference reference = GrammarUtil.getReference(crossReference);
                if (reference != null) {
                    String proposalText = "${" + assignment.getFeature() + ":CrossReference(" + reference.getEContainingClass().getName() + "." + reference.getName() + ")}";
                    StyledString displayText = new StyledString("${", StyledString.DECORATIONS_STYLER).append(assignment.getFeature()).append(":CrossReference(", StyledString.DECORATIONS_STYLER).append(reference.getEContainingClass().getName() + "." + reference.getName(), StyledString.COUNTER_STYLER).append(")}", StyledString.DECORATIONS_STYLER).append(" - Create a new template variable", StyledString.QUALIFIER_STYLER);
                    ICompletionProposal proposal = createCompletionProposal(proposalText, displayText, null, context);
                    if (proposal instanceof ConfigurableCompletionProposal) {
                        ConfigurableCompletionProposal configurable = (ConfigurableCompletionProposal) proposal;
                        configurable.setSelectionStart(configurable.getReplacementOffset() + 2);
                        configurable.setSelectionLength(assignment.getFeature().length());
                        configurable.setAutoInsertable(false);
                        configurable.setSimpleLinkedMode(context.getViewer(), '\t');
                        configurable.setPriority(configurable.getPriority() * 2);
                    }
                    acceptor.accept(proposal);
                }
            }
        }
    }
}

Example 4 with ContextTypeIdHelper

use of org.eclipse.xtext.ui.editor.templates.ContextTypeIdHelper in project xtext-eclipse by eclipse.

the class CodetemplatesProposalProvider method completeVariable_Name.

@Override
public void completeVariable_Name(EObject model, Assignment assignment, final ContentAssistContext context, ICompletionProposalAcceptor acceptor) {
    if ((mode & NORMAL) != 0) {
        {
            String proposalText = "variable";
            StyledString displayText = new StyledString(proposalText).append(" - Create a new template variable", StyledString.QUALIFIER_STYLER);
            ICompletionProposal proposal = createCompletionProposal(proposalText, displayText, null, context);
            if (proposal instanceof ConfigurableCompletionProposal) {
                ConfigurableCompletionProposal configurable = (ConfigurableCompletionProposal) proposal;
                configurable.setSelectionStart(configurable.getReplacementOffset());
                configurable.setSelectionLength(proposalText.length());
                configurable.setAutoInsertable(false);
                configurable.setSimpleLinkedMode(context.getViewer(), '\t', ' ');
            }
            acceptor.accept(proposal);
        }
        TemplateData data = new TemplateData(model);
        if (data.doCreateProposals()) {
            ContextTypeIdHelper helper = languageRegistry.getContextTypeIdHelper(data.language);
            if (helper != null) {
                String contextTypeId = helper.getId(data.rule);
                ContextTypeRegistry contextTypeRegistry = languageRegistry.getContextTypeRegistry(data.language);
                TemplateContextType contextType = contextTypeRegistry.getContextType(contextTypeId);
                if (contextType != null) {
                    Iterator<TemplateVariableResolver> resolvers = Iterators.filter(contextType.resolvers(), TemplateVariableResolver.class);
                    while (resolvers.hasNext()) {
                        final TemplateVariableResolver resolver = resolvers.next();
                        IInspectableTemplateVariableResolver inspectableResolver = templateVariableResolverRegistry.toInspectableResolver(resolver);
                        if (inspectableResolver != null) {
                            if (!inspectableResolver.hasMandatoryParameters()) {
                                String type = resolver.getType();
                                StyledString displayString = new StyledString(type, StyledString.DECORATIONS_STYLER).append(" - " + resolver.getDescription(), StyledString.QUALIFIER_STYLER);
                                acceptor.accept(createCompletionProposal(type, displayString, null, context));
                            }
                            String proposalText = "variable:" + resolver.getType();
                            StyledString displayText = new StyledString("variable").append(":" + resolver.getType(), StyledString.DECORATIONS_STYLER).append(" - " + resolver.getDescription(), StyledString.QUALIFIER_STYLER);
                            if (inspectableResolver.hasMandatoryParameters())
                                proposalText = proposalText + "()";
                            Builder builder = context.copy();
                            PrefixMatcher newMatcher = new PrefixMatcher() {

                                @Override
                                public boolean isCandidateMatchingPrefix(String name, String prefix) {
                                    return context.getMatcher().isCandidateMatchingPrefix(name, prefix) || context.getMatcher().isCandidateMatchingPrefix("variable:" + resolver.getType(), prefix) || context.getMatcher().isCandidateMatchingPrefix(resolver.getType(), prefix);
                                }
                            };
                            builder.setMatcher(newMatcher);
                            ContentAssistContext myContext = builder.toContext();
                            ICompletionProposal proposal = createCompletionProposal(proposalText, displayText, null, myContext);
                            if (proposal instanceof ConfigurableCompletionProposal) {
                                ConfigurableCompletionProposal configurable = (ConfigurableCompletionProposal) proposal;
                                configurable.setSelectionStart(configurable.getReplacementOffset());
                                configurable.setSelectionLength("variable".length());
                                configurable.setAutoInsertable(false);
                                if (inspectableResolver.hasMandatoryParameters()) {
                                    configurable.setCursorPosition(proposalText.length() - 1);
                                }
                                configurable.setSimpleLinkedMode(myContext.getViewer(), '\t');
                            }
                            acceptor.accept(proposal);
                        } else {
                            String type = resolver.getType();
                            StyledString displayString = new StyledString(type, StyledString.DECORATIONS_STYLER).append(" - " + resolver.getDescription(), StyledString.QUALIFIER_STYLER);
                            acceptor.accept(createCompletionProposal(type, displayString, null, context));
                        }
                    }
                }
            }
            if (data.template.getBody() != null) {
                for (Variable variable : Iterables.filter(data.template.getBody().getParts(), Variable.class)) {
                    if (variable != model && variable.getName() != null) {
                        String proposalText = variable.getName();
                        StyledString displayText = new StyledString(proposalText).append(" - existing variable", StyledString.QUALIFIER_STYLER);
                        if (variable.getType() != null)
                            displayText = displayText.append(" of type " + variable.getType(), StyledString.QUALIFIER_STYLER);
                        ICompletionProposal proposal = createCompletionProposal(proposalText, displayText, null, context);
                        acceptor.accept(proposal);
                    }
                }
            }
        }
    }
}

Example 5 with ContextTypeIdHelper

use of org.eclipse.xtext.ui.editor.templates.ContextTypeIdHelper in project xtext-eclipse by eclipse.

the class SemanticHighlighter method provideHighlightingFor.

@Override
public void provideHighlightingFor(XtextResource resource, final IHighlightedPositionAcceptor acceptor, CancelIndicator cancelIndicator) {
    if (resource == null || resource.getContents().isEmpty())
        return;
    Codetemplates templates = (Codetemplates) resource.getContents().get(0);
    Grammar grammar = templates.getLanguage();
    if (grammar != null && !grammar.eIsProxy()) {
        TemplateBodyHighlighter highlighter = getHighlighter(grammar);
        if (highlighter != null) {
            ContextTypeIdHelper helper = registry.getContextTypeIdHelper(grammar);
            ContextTypeRegistry contextTypeRegistry = registry.getContextTypeRegistry(grammar);
            for (Codetemplate template : templates.getTemplates()) {
                operationCanceledManager.checkCanceled(cancelIndicator);
                if (template.getBody() != null) {
                    final EvaluatedTemplate evaluatedTemplate = new EvaluatedTemplate(template);
                    highlighter.provideHighlightingFor(evaluatedTemplate.getMappedString(), new IHighlightedPositionAcceptor() {

                        @Override
                        public void addPosition(int offset, int length, String... id) {
                            int beginOffset = evaluatedTemplate.getOriginalOffset(offset);
                            int endOffset = evaluatedTemplate.getOriginalOffset(offset + length);
                            int fixedLength = endOffset - beginOffset;
                            acceptor.addPosition(beginOffset, fixedLength, id);
                        }
                    });
                    String id = null;
                    TemplateContextType contextType = null;
                    if (template.getContext() != null) {
                        id = helper.getId(template.getContext());
                        if (id != null)
                            contextType = contextTypeRegistry.getContextType(id);
                    }
                    Set<String> defaultResolvers = Sets.newHashSet();
                    if (contextType != null) {
                        Iterator<TemplateVariableResolver> resolvers = Iterators.filter(contextType.resolvers(), TemplateVariableResolver.class);
                        while (resolvers.hasNext()) {
                            TemplateVariableResolver resolver = resolvers.next();
                            defaultResolvers.add(resolver.getType());
                        }
                    }
                    for (TemplatePart part : template.getBody().getParts()) {
                        if (part instanceof Variable) {
                            Variable variable = (Variable) part;
                            ICompositeNode node = NodeModelUtils.findActualNodeFor(variable);
                            if (node != null) {
                                for (ILeafNode leafNode : node.getLeafNodes()) {
                                    if (leafNode.getGrammarElement() instanceof Keyword) {
                                        acceptor.addPosition(leafNode.getTotalOffset(), leafNode.getTotalLength(), TemplatesHighlightingConfiguration.TEMPLATE_VARIABLE);
                                    }
                                }
                                List<INode> typeNodes = NodeModelUtils.findNodesForFeature(variable, TemplatesPackage.Literals.VARIABLE__TYPE);
                                if (typeNodes.isEmpty()) {
                                    if (defaultResolvers.contains(variable.getName())) {
                                        List<INode> nameNodes = NodeModelUtils.findNodesForFeature(variable, TemplatesPackage.Literals.VARIABLE__NAME);
                                        for (INode nameNode : nameNodes) {
                                            highlightNode(nameNode, TemplatesHighlightingConfiguration.TEMPLATE_VARIABLE, acceptor);
                                        }
                                    }
                                } else {
                                    for (INode typeNode : typeNodes) {
                                        highlightNode(typeNode, TemplatesHighlightingConfiguration.TEMPLATE_VARIABLE, acceptor);
                                    }
                                }
                                List<INode> parameterNodes = NodeModelUtils.findNodesForFeature(variable, TemplatesPackage.Literals.VARIABLE__PARAMETERS);
                                for (INode parameterNode : parameterNodes) {
                                    highlightNode(parameterNode, TemplatesHighlightingConfiguration.TEMPLATE_VARIABLE_ARGUMENT, acceptor);
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}